111101132120 has 64 divisors (see below), whose sum is σ = 274130749440. Its totient is φ = 40188860800.

The previous prime is 111101132113. The next prime is 111101132173. The reversal of 111101132120 is 21231101111.

It is a junction number, because it is equal to n+sod(n) for n = 111101132095 and 111101132104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576962 + ... + 745041.

It is an arithmetic number, because the mean of its divisors is an integer number (4283292960).

Almost surely, 2^111101132120 is an apocalyptic number.

111101132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101132120 is an abundant number, since it is smaller than the sum of its proper divisors (163029617320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111101132120 is a wasteful number, since it uses less digits than its factorization.

111101132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322216 (or 1322212 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111101132120 its reverse (21231101111), we get a palindrome (132332233231).

The spelling of 111101132120 in words is "one hundred eleven billion, one hundred one million, one hundred thirty-two thousand, one hundred twenty".